Backup/OA_SQLServer/Role.cs

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using System;
using System.Data;
using System.Text;
using System.Collections.Generic;
using System.Data.Common;
using OA.DBUtility;
using System.Data.SqlClient;//请先添加引用
namespace OA.DAL
{
	/// <summary>
	/// 数据访问类Role。
	/// </summary>
	public class Role
	{
		public Role()
		{}
		#region  成员方法


        /// <summary>
        /// 增加一条数据
        /// </summary>
        public int Add(OA.Model.Role model)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("insert into Role(");
            strSql.Append("RoleName,RoleDescribe)");
            strSql.Append(" values (");
            strSql.Append("@RoleName,@RoleDescribe)");
            strSql.Append(";select @@IDENTITY");
            SqlParameter[] parameters = {
					new SqlParameter("@RoleName", SqlDbType.VarChar,50),
					new SqlParameter("@RoleDescribe", SqlDbType.VarChar,50)};
            parameters[0].Value = model.RoleName;
            parameters[1].Value = model.RoleDescribe;

            object obj = DbHelperSQL.GetSingle(strSql.ToString(), parameters);
            if (obj == null)
            {
                return 1;
            }
            else
            {
                return Convert.ToInt32(obj);
            }
        }
        /// <summary>
        /// 更新一条数据
        /// </summary>
        public int Update(OA.Model.Role model)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("update Role set ");
            strSql.Append("RoleName=@RoleName,");
            strSql.Append("RoleDescribe=@RoleDescribe");
            strSql.Append(" where RoleID=@RoleID ");
            SqlParameter[] parameters = {
					new SqlParameter("@RoleID", SqlDbType.Int,4),
					new SqlParameter("@RoleName", SqlDbType.VarChar,50),
					new SqlParameter("@RoleDescribe", SqlDbType.VarChar,50)};